内容纲要
A对B、C
await (from e in _context.Equip
join c in _context.Ycp
on e.EquipNo equals c.EquipNo into j1
join x in _context.Yxp
on e.EquipNo equals x.EquipNo into j2
select new
{
Equips = e,
Ycs = j1.ToList(),
Yxs = j2.ToList()
}).ToListAsync();
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而且复杂SQL使用 EF Core 十分不爽，所以我换成 Dapper 了。。。
简单查询，增删查改 使用 EFCore；
复杂查询使用 Dapper。
省下的时间可用去陪妹子。